MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous external URLs pointing to potentially compromised or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution scheme leveraging these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cowichanseniors.ca/userfiles/file/69521081328.pdf
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/fisakowapogolemosovuvob.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778a39bcd6d---19431037612.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7a868b648---65871515715.pdf
- https://clubslotalmatriche.com/calcas/file/nugirusukogijetazok.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/f226461734456c59fbbdbe9903537bcf/35621142445.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7e9cc34c2---gomofijuxaxemuwazad.pdf
- http://studiogaleazzo.eu/userfiles/files/10443190068.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609d16eec9c2b---wizorimujoguwirekasusus.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c3cc38ce7---70662860249.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee1f2c9671---kanosojejidumodase.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/7bca679756812f2f7d92d59f3382dc87/88807361240.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/5b0b064aabb0d04f95e0ea627e89375c/fosizinevusupi.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d084571e848---tobosufude.pdf
- http://avision-italia.com/userfiles/files/gixile.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/bd49ad8160a2d6d15512e9868f4d8f24/vozeb.pdf
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/zikudibiwimalisi.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609846d4a8dae---44099443112.pdf
- http://grandinhr.eu/images/user/file/kakumebewemuzafotawuded.pdf
- https://dovolena-jiznicechy.cz/uploads/fudegutapoletofisela.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/41912c9fbd89705d84145f2b2a1431a7/77207334052.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/16f9b3590bcbddca02121675ecfdc72e/66205037741.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/a7e0569bdc8b696a77cb79633ca90bac/rewinekokuwepiwonuvore.pdf
- https://marblobaths.com/app/webroot/img/files/wewurafuj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=butterfly+extreme+mix
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb3a.binefca4c19c471c746dbfcd125d57cfa9082d0e368096b47534dfdf65129844594 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3A | 16616 bytes |
font_01_sfnt_off0000e540.binf784b4617a4b6e53a403f1ec4e33bb65c399f19e917023463c436c3329f37f7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE540 | 10188 bytes |
font_02_sfnt_off0000fc26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC26 | 16792 bytes |
font_03_sfnt_off00011434.binb8df3826a64631a76d380b81a2b87c79658b73022abcfaaaa4438c62e207fc19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11434 | 14900 bytes |
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